Github_Repos/cvw
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257 Commits

Author SHA1 Message Date
David Harris
4e2d80476e Merge branch 'main' of https://github.com/openhwgroup/cvw into dev 2023-04-03 06:13:16 -07:00
Kevin Kim
8252706691 removed comparator flag to ALU 2023-04-02 21:14:31 -07:00
Kevin Kim
238e97d379 signal renaming on bitmanip alu and alu 2023-04-02 18:42:41 -07:00
Kevin Kim
f175f7e927 changed signal names on clmul and zbc to match book 2023-04-02 18:28:09 -07:00
David Harris
db542543cb Coverage improvement: ieu, hazard, priv 2023-03-31 08:34:34 -07:00
David Harris
fd0c9e973d Coverage improvements in ieu, hazard units 2023-03-31 08:33:46 -07:00
Kevin Kim
2c6359b097 only pass in relevant comparator flag to ALU 2023-03-30 19:15:33 -07:00
Kevin Kim
1e88ec7eac Merge branch 'bitmanip_cleanup' of https://github.com/kipmacsaigoren/cvw into bitmanip_cleanup 2023-03-30 19:04:41 -07:00
Kevin Kim
27a5c9c5d6 Merge branch 'openhwgroup:main' into bitmanip_cleanup 2023-03-30 19:04:36 -07:00
Alec Vercruysse
46df428e56 add check for legal funct3 for IW instructions 2023-03-28 15:59:48 -07:00
Kevin Kim
582c561cb1 comment formatting 2023-03-28 11:40:19 -07:00
Kevin Kim
926f3d2a5a Merge branch 'openhwgroup:main' into bitmanip_cleanup 2023-03-28 11:31:18 -07:00
Kevin Kim
5d3260de63 removed unnecessary signal indices 2023-03-26 20:06:55 -07:00
Kevin Kim
f6ce03730a removed unneccesary input signal from zbb 2023-03-26 19:39:49 -07:00
David Harris
0b0d954e7f Merged ross's spacing fixes 2023-03-24 15:47:26 -07:00
David Harris
092d34373f Merge pull request #159 from ross144/main 
Renamed signal to match book
 2023-03-24 15:34:59 -07:00
Ross Thompson
46b1bca4fc Fixed all tap/space issue in RTL. 2023-03-24 17:32:25 -05:00
Kevin Kim
b70ab0fa5a Zero/Sign extend mux in Shifter, Zero extend mux in Bitmanip alu 2023-03-24 11:52:51 -07:00
David Harris
4b9b20bce0 Shifter capitalization 2023-03-24 09:01:07 -07:00
David Harris
89954df49b Query about CondExtA 2023-03-24 08:35:33 -07:00
David Harris
21424d0f86 Shifter sign simplification and capitalization 2023-03-24 08:27:30 -07:00
David Harris
576545e328 ALUControl Elimination 2023-03-24 08:10:48 -07:00
David Harris
f648be8ee2 Merged ALUOp into ALUControl to simplify ALU mux 2023-03-24 07:28:42 -07:00
David Harris
89479391ca Simplified rotate source to shifter 2023-03-24 06:49:26 -07:00
David Harris
e8d6073eca BMU simplifications 2023-03-24 06:18:06 -07:00
David Harris
3bdb176253 Merge branch 'main' of https://github.com/openhwgroup/cvw into dev 2023-03-24 05:59:48 -07:00
Kevin Kim
4c73f0fffd minor formatting 2023-03-23 22:28:21 -07:00
Kevin Kim
5a19934511 comments 2023-03-23 22:22:25 -07:00
Kevin Kim
ae162a2694 removed redundant signals 
-fixed some comments too
 2023-03-23 22:20:37 -07:00
Kevin Kim
9c457e3af4 bitmanip alu submodule passes lint and regression 2023-03-23 21:56:03 -07:00
Kevin Kim
443e64bef2 more progress. Failing regression 2023-03-23 20:42:49 -07:00
Kevin Kim
2a2aa0470a Merge branch 'openhwgroup:main' into bitmanip-alu 2023-03-23 19:53:50 -07:00
David Harris
f2864c7305 Merged BMU 2023-03-23 17:24:40 -07:00
Kevin Kim
8e67c64e2c fixed rori rv32 bug 2023-03-23 16:06:46 -07:00
Kevin Kim
51d691215f more progress on bitmanip alu modularization 2023-03-23 16:02:38 -07:00
David Harris
4e1bf6fbe0 Improved IEU and bitmanip test coverage 2023-03-23 14:24:41 -07:00
Kevin Kim
519a0452a5 started bitmanip alu modularization 2023-03-23 14:02:28 -07:00
David Harris
121d1cea62 Added csrwrites.S test case for privileged tests 2023-03-23 10:55:32 -07:00
Kevin Kim
fd00e386b5 remove outdated 2023-03-22 10:34:17 -07:00
Kevin Kim
efa9f09864 updated header comments to indicate chapter 15 2023-03-22 10:31:21 -07:00
Kevin Kim
f7a915a71a remove helper python script 2023-03-22 10:27:59 -07:00
Kevin Kim
fce62fc213 formatting 2023-03-22 10:26:04 -07:00
Kevin Kim
e9f90050d5 min/max mux optimize 2023-03-22 10:25:54 -07:00
Kevin Kim
c8a5514ca5 formatting 2023-03-22 10:14:12 -07:00
Kevin Kim
3f46dff23e Merge branch 'main' of https://github.com/openhwgroup/cvw into bit-manip 2023-03-21 11:20:05 -07:00
Kevin Kim
72a8b25272 formatting 2023-03-20 14:25:05 -07:00
Kevin Kim
2ad807728c more structural mux changes 2023-03-20 14:23:54 -07:00
Kevin Kim
4ecfa1bad3 added bitmanip 64 tests to updated regression script 
+ alu structural mux changes
 2023-03-20 14:19:39 -07:00
Kevin Kim
5056eb404c formatting 2023-03-20 13:09:49 -07:00
Kevin Kim
82d52f892b Merge branch 'main' of https://github.com/openhwgroup/cvw into bit-manip 2023-03-20 13:06:10 -07:00
Kevin Kim
b394e343f6 format + min/max structural mux 2023-03-20 09:37:57 -07:00
David Harris
6922298f21 Replaced FenceM with InvalidateICacheM for event counting of fence.i 2023-03-18 09:24:31 -07:00
Kevin Kim
0d0d3b981e more checks in bitmanip decode 2023-03-10 17:17:24 -08:00
Kevin Kim
9b4f3219db formatting 2023-03-10 14:32:01 -08:00
Kevin Kim
c380b0816d removed redundant convinvb signal 2023-03-10 14:18:24 -08:00
Kevin Kim
dcaf9de228 removed redundant condinvb mux 2023-03-10 14:17:38 -08:00
David Harris
33fa7e4706 Simplified SLT and SLTU code in ALU 2023-03-09 15:14:52 -08:00
Kevin Kim
f29e8932a2 more comprehensive illegal b instr. check 2023-03-09 12:44:51 -08:00
Kevin Kim
f335d08bbf fixed bmu bug 
- accidentally deleted count instruction decode
 2023-03-09 12:35:42 -08:00
Kevin Kim
7002221dec cleaner bmu decode logic 2023-03-08 16:22:43 -08:00
Kevin Kim
0ca530fffd Merge branch 'bit-manip' into illegal_specific 2023-03-07 14:07:59 -08:00
Kevin Kim
4bb43892f9 alu formatting 2023-03-07 14:01:47 -08:00
Kevin Kim
26cb1857f3 specifc instruction handling for B's 
- Added BALUSrcBD, BaseALUSrcB for distinguishing between base instruction I/IW and Bitmanip instruction I/IW
 2023-03-07 13:58:08 -08:00
Kip Macsai-Goren
2ec3c741ef Merge branch 'bit-manip' of github.com:kipmacsaigoren/cvw into bit-manip 2023-03-07 13:44:51 -08:00
Kip Macsai-Goren
f178c90c02 Merge branch 'main' of github.com:kipmacsaigoren/cvw into bit-manip 2023-03-07 13:44:19 -08:00
Kevin Kim
bd9b9970f5 Merge remote-tracking branch 'origin' into illegal_specific 2023-03-07 11:30:36 -08:00
Kevin Kim
6d146a7e20 formatting 2023-03-07 10:57:52 -08:00
Kevin Kim
833e7bd2af shifter sign generation logic optimize 2023-03-07 10:57:06 -08:00
Kevin Kim
81198ce6f6 reverted backing to working version 2023-03-07 00:29:58 -08:00
Kevin Kim
5637897dce reverted to working version 2023-03-07 00:28:07 -08:00
David Harris
7ecf4cdea8 Fixed bug about rv64 shifts only using 6 bits of funct7 2023-03-06 13:10:51 -08:00
David Harris
7e0c96cdcc Simplified decoder default to illegal instruction 2023-03-06 11:21:11 -08:00
David Harris
c2efdbdbbb More detailed decoding of load/store/branch/jump 2023-03-06 11:15:48 -08:00
David Harris
a56557d847 Improved decoding illegal instructions in controller 2023-03-06 11:02:42 -08:00
Kevin Kim
c7d1e35d4a structural changes in cnt.sv 2023-03-06 06:44:15 -08:00
Kevin Kim
e67b02136c formatting 2023-03-06 06:20:25 -08:00
Kevin Kim
ee66b5fb4a formatting 
- reverted back to ALUResult signal in alu.sv
 2023-03-06 06:19:01 -08:00
Kevin Kim
8f3acedec8 formatted files 2023-03-06 05:52:08 -08:00
Kevin Kim
fb529e1640 updated license header 2023-03-06 05:41:53 -08:00
Kevin Kim
e80c1248a2 bug fix 2023-03-05 15:20:48 -08:00
Kevin Kim
3dbdf3d579 extend unit structural mux 2023-03-05 15:09:02 -08:00
Kevin Kim
696cfb6949 zbb result select mux structural 2023-03-05 14:57:30 -08:00
Kevin Kim
2ae32f75b5 zbc input mux structural 2023-03-05 14:26:31 -08:00
Kevin Kim
77d8f10574 revA signals to cnt, zbb 2023-03-05 14:26:24 -08:00
Kevin Kim
7836bc1e37 ALU changes 
- added PreShiftAmt signal for shadd
- condinvB now muxes from B instead of mask
 2023-03-05 14:06:24 -08:00
Kevin Kim
0f2360f0d7 bug in bctrl 
- deleted the min/minu decoding for some reason.
 2023-03-04 23:56:33 -08:00
Kevin Kim
6b25c64a1f BSelect from OH encoding to Binary 2023-03-04 23:19:31 -08:00
Kevin Kim
a293c350ba alu pre-shift 
-changed ALU pre shift logic to use a 2 bit shifter instead of mux
 2023-03-04 23:07:06 -08:00
Kevin Kim
7512e55699 added python script 
-I've been using this python script to make quick changes to the bitmanip controller
 2023-03-04 22:54:32 -08:00
Kevin Kim
9494cf9340 removed rotate signal in datapath and instead packed into the new BALUControl Signal 
- BALUControl contains Rotate, Mask, PreShift signals to select from the respective generation muxes in the ALU
 2023-03-04 22:44:03 -08:00
Kevin Kim
f5dca0bf4f zbc result mux is now structural 2023-03-04 09:22:21 -08:00
Kevin Kim
72de867e65 Rotate signal now gets generated in bmu ctrl 2023-03-03 22:57:49 -08:00
Kevin Kim
b315066b03 license comments 2023-03-03 21:52:34 -08:00
Kevin Kim
0403cfd41a removed redundant signals in controller 2023-03-03 21:52:25 -08:00
Kevin Kim
8dd39fbcfb b controller generates comparison signed flag and controller branch signed logic updated accordingly 2023-03-03 17:12:29 -08:00
Kevin Kim
5e01f86bc5 sltD signal debug. Passes regression 2023-03-03 12:44:33 -08:00
Kevin Kim
c836eea17c sltD logic optimize 2023-03-03 12:35:40 -08:00
Kevin Kim
d6f8c1dd29 Merge branch 'bctrlmigrate' of https://github.com/kipmacsaigoren/cvw into bctrlmigrate 2023-03-03 09:54:08 -08:00
Kevin Kim
1c55d4a8d5 Merge branch 'openhwgroup:main' into bctrlmigrate 2023-03-03 09:53:59 -08:00
Kevin Kim
422b428cba removed outdated b-signals in controller 2023-03-03 08:45:42 -08:00